if jim lehrer decides to drill down on what by mitt romney's own characterization is an etch-a-sketch campaign, they could breed significant problems for him. >> it is not an easy job moderating debates under that format. interesting to see. they could talk about immigration because of the border agent shot today. there are a lot of different things that both candidates have to prepare for. >> eliot: one thing i would say is these are two unbelievably smart individuals. as you said, they both know the substantive areas they will be discussing. i think emotion will be more important than the substantive content. david, thank you. >> good luck. >> eliot: i'll see you. i might need you in my corner. that's "viewpoint" for tonight. in one hour, it is the war of the words. i'll be debating glenn beck here in denver. get the details on facebook facebook.com/current. i'll see you tomorrow night at 8:00 p.m. for our coverage of the presidential